On Du, 24 ian 21, 23:21:38, Linux-Fan wrote: > mick crane writes: > > > On 2021-01-24 17:37, Andrei POPESCU wrote: > > [...] > > > > If you want to combine Linux RAID and ZFS on just two drives you could > > > partition the drives (e.g. two partitions on each drive), use the first > > > partition on each drive for Linux RAID, install Debian (others will have > > > to confirm whether the installer supports creating RAID from partitions) > > > and then use the other partitions for the ZFS pool. > > I can confirm that this works. In fact, I always thought that to be the > "best practice" for MDADM: To use individual partitions rather than whole > devices. OTOH for ZFS, best practice seems to be to use entire devices. I am > not an expert on this, though :) ZFS is actually using GPT partitions and also automatically creates a "reserve" 8 MiB partition, just in case a replacement disk is not exactly the same size as the other disk(s) in a VDEV. So far I haven't found a way around it (not that I care, as I prefer to partition manually and identify physical devices by partition label) Kind regards, Andrei -- http://wiki.debian.org/FAQsFromDebianUser
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